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| | .global __cp_begin
.hidden __cp_begin
.global __cp_end
.hidden __cp_end
.global __cp_cancel
.hidden __cp_cancel
.hidden __cancel
.global __syscall_cp_asm
.hidden __syscall_cp_asm
.text
.type __syscall_cp_asm,%function
__syscall_cp_asm:
# at enter: r3 = pointer to self->cancel, r4: syscall no, r5: first arg, r6: 2nd, r7: 3rd, r8: 4th, r9: 5th, r10: 6th
__cp_begin:
# if (self->cancel) goto __cp_cancel
lwz 0, 0(3)
cmpwi cr7, 0, 0
bne- cr7, __cp_cancel
# make syscall
mr 0, 4
mr 3, 5
mr 4, 6
mr 5, 7
mr 6, 8
mr 7, 9
mr 8, 10
sc
__cp_end:
# return error ? -r3 : r3
bnslr+
neg 3, 3
blr
__cp_cancel:
b __cancel
|